X0306 4 2013-08-01 0000861884 RELIANCE STEEL & ALUMINUM CO RS 0001256541 Lewis Karla R 350 SOUTH GRAND AVENUE SUITE 5100 LOS ANGELES CA 90071 0 1 1 0 Exec VP, CFO and Asst Corp Sec Common Stock 2013-08-01 4 M 0 40000 44.86 A 88048 D Common Stock 2013-08-01 4 M 0 20000 33.70 A 108048 D Common Stock 2013-08-01 4 S 0 60000 70.85 D 48048 D Common Stock 5459 I Held by Trustee of Reliance Steel & Aluminum Co. Employee Stock Ownership Plan Common Stock 173 I Held by Trustee of Reliance Steel & Aluminum Co. 401(k) Plan Options to Acquire Common Stock 44.86 2013-08-01 4 M 0 40000 0 D 2014-03-02 Common Stock 40000 0 D Options to Acquire Common Stock 33.70 2013-08-01 4 M 0 20000 0 D 2016-04-27 Common Stock 20000 20000 D Includes 9,000 restricted shares subject to vesting over time. The price reported represents the weighted average sale price of the shares disposed of. The actual sale prices ranged from $70.72 to $71.07. The Reporting Person has provided to the Issuer and hereby undertakes to provide upon request by the U.S. Securities and Exchange Commssion Staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. The Company received the allocation for the 2012 plan year under the Reliance Steel & Aluminum Co. Employee Stock Ownership Plan ("ESOP") on May 30, 2013. The Reporting Person acquired 81 ESOP shares for the 2012 plan year. Inadvertently omitted due to an administrative error. The options vested and became exercisable in four equal annual installments beginning on March 2, 2008, which was the first anniversary of the date on which the options were granted. In the aggregate, the Reporting Person beneficially owns 140,000 options to acquire common stock (with various exercise prices and expiration dates) as of the date of this report. In addition, the Reporting Person beneficially owns 32,000 restricted stock units subject to performance and service criteria. The options vested and became exercisable in four equal annual installments beginning on April 27, 2010, which was the first anniversary of the date on which the options were granted. Karla R. Lewis by William A. Smith II as her Attorney-in-Fact 2013-08-02